38 lines
781 B
Coq
38 lines
781 B
Coq
|
module top();
|
||
|
|
|
||
|
|
localparam signed [31:0] SizedValue = -1;
|
||
|
|
localparam UnsizedValue = -1;
|
||
|
|
|
||
|
|
reg [35:0] Result;
|
||
|
|
reg Failed;
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
Failed = 0;
|
||
|
|
// check for sign extension
|
||
|
|
Result = SizedValue;
|
||
|
|
$display("%h", Result);
|
||
|
|
if (Result !== 36'hfffffffff) Failed = 1;
|
||
|
|
Result = UnsizedValue;
|
||
|
|
$display("%h", Result);
|
||
|
|
if (Result !== 36'hfffffffff) Failed = 1;
|
||
|
|
|
||
|
|
// check for zero extension
|
||
|
|
Result = 'd0 + SizedValue;
|
||
|
|
$display("%h", Result);
|
||
|
|
if (Result !== 36'h0ffffffff) Failed = 1;
|
||
|
|
Result = 'd0 + UnsizedValue;
|
||
|
|
$display("%h", Result);
|
||
|
|
`ifdef OLD_UNSIZED
|
||
|
|
if (Result !== 36'hfffffffff) Failed = 1;
|
||
|
|
`else
|
||
|
|
if (Result !== 36'h0ffffffff) Failed = 1;
|
||
|
|
`endif
|
||
|
|
|
||
|
|
if (Failed)
|
||
|
|
$display("FAILED");
|
||
|
|
else
|
||
|
|
$display("PASSED");
|
||
|
|
end
|
||
|
|
|
||
|
|
endmodule
|